... 二次PE方法：quadratic PE(Pseudo Elimination)method 二次不稳定性：secondary instability 二滩水电工程：Ertan Hydropower Project ...
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属于拐点不稳定性的高频二次不稳定模态对最后转捩的影响主要体现在与其它扰动的相互作用，并导致出现紊流状态宽带频谱。
The main effect of inflectional instability mode in the final breakdown seems to interact with the disturbances having developed and thus widens the frequency spectrum to turbulent state.
在专案会议的第二次会议，首先，这里有两个主要问题，一个是致热原性的准备工作及可用性，它们的不稳定性。
At the second of these AD hoc conferences, as at the first, there were two chief problems the pyrogenicity of the preparations then available, and their instability.
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